KPIX Eyewitness News report from October 22nd 1969 by Don Knapp and Rollin Post in San Francisco, featuring interviews with people involved in the Zodiac Killer case. Includes scenes of lawyer Melvin Belli and broadcaster Jim Dunbar speculating on whether a man who contacted Dunbar's 'A.M. San Francisco' show was indeed the murder suspect, who was never officially identified.